/* FIXME: We need to use a single buffer config without depth
* or stencil buffers here to keep egl from creating auxillary
* buffers for the pixmap here. */
- sd->surface = eglCreatePixmapForName(ec->display, ec->config,
- name, width, height, stride, NULL);
+ sd->surface = eglCreateSurfaceForName(ec->display, ec->config,
+ name, width, height, stride, NULL);
glBindTexture(GL_TEXTURE_2D, sd->texture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
uint32_t name, uint32_t stride,
int32_t x, int32_t y, int32_t width, int32_t height)
{
- /* FIXME: Eek, how do we do this... extend the DRI CopyBuffer
- * extension and expose it in eagle? Make the surface the
- * draw buffer and the named buffer the read buffer and use
- * glCopyPixels? */
+ struct egl_compositor *ec = (struct egl_compositor *) compositor;
+ EGLSurface src;
+ struct surface_data *sd;
+
+ sd = wl_surface_get_data(surface);
+
+ /* FIXME: glCopyPixels should work, but then we'll have to
+ * call eglMakeCurrent to set up the src and dest surfaces
+ * first. This seems cheaper, but maybe there's a better way
+ * to accomplish this. */
+
+ src = eglCreateSurfaceForName(ec->display, ec->config,
+ name, x + width, y + height, stride, NULL);
+
+ eglCopyNativeBuffers(ec->display, sd->surface, GL_FRONT_LEFT, dst_x, dst_y,
+ src, GL_FRONT_LEFT, x, y, width, height);
+ schedule_repaint(ec);
}
static void
notify_surface_damage(struct wl_compositor *compositor,
- struct wl_surface *surface)
+ struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t width, int32_t height)
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
exit(EXIT_FAILURE);
}
-static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface)
+struct buffer {
+ int width, height, stride;
+ uint32_t name, handle;
+};
+
+static struct buffer *
+buffer_create(int fd, int width, int height, int stride)
{
+ struct buffer *buffer;
struct drm_i915_gem_create create;
struct drm_gem_flink flink;
- struct drm_i915_gem_pwrite pwrite;
- int32_t width, height, stride;
- void *data;
- width = cairo_image_surface_get_width(surface);
- height = cairo_image_surface_get_height(surface);
- stride = cairo_image_surface_get_stride(surface);
- data = cairo_image_surface_get_data(surface);
+ buffer = malloc(sizeof *buffer);
+ buffer->width = width;
+ buffer->height = height;
+ buffer->stride = stride;
memset(&create, 0, sizeof(create));
create.size = height * stride;
if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) {
fprintf(stderr, "gem create failed: %m\n");
- return 0;
- }
-
- pwrite.handle = create.handle;
- pwrite.offset = 0;
- pwrite.size = height * stride;
- pwrite.data_ptr = (uint64_t) (uintptr_t) data;
- if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) {
- fprintf(stderr, "gem pwrite failed: %m\n");
- return 0;
+ free(buffer);
+ return NULL;
}
flink.handle = create.handle;
if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) {
fprintf(stderr, "gem flink failed: %m\n");
+ free(buffer);
return 0;
}
-#if 0
- /* We need to hold on to the handle until the server has received
- * the attach request... we probably need a confirmation event.
- * I guess the breadcrumb idea will suffice. */
+ buffer->handle = flink.handle;
+ buffer->name = flink.name;
+
+ return buffer;
+}
+
+static int
+buffer_destroy(struct buffer *buffer, int fd)
+{
struct drm_gem_close close;
- close.handle = create.handle;
+
+ close.handle = buffer->handle;
if (ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close) < 0) {
fprintf(stderr, "gem close failed: %m\n");
- return 0;
+ return -1;
+ }
+
+ free(buffer);
+
+ return 0;
+}
+
+static int
+buffer_data(struct buffer *buffer, int fd, void *data)
+{
+ struct drm_i915_gem_pwrite pwrite;
+
+ pwrite.handle = buffer->handle;
+ pwrite.offset = 0;
+ pwrite.size = buffer->height * buffer->stride;
+ pwrite.data_ptr = (uint64_t) (uintptr_t) data;
+
+ if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) {
+ fprintf(stderr, "gem pwrite failed: %m\n");
+ return -1;
}
-#endif
- return flink.name;
+ return 0;
+}
+
+static struct buffer *
+buffer_create_from_cairo_surface(int fd, cairo_surface_t *surface)
+{
+ struct buffer *buffer;
+ int32_t width, height, stride;
+ void *data;
+
+ width = cairo_image_surface_get_width(surface);
+ height = cairo_image_surface_get_height(surface);
+ stride = cairo_image_surface_get_stride(surface);
+ data = cairo_image_surface_get_data(surface);
+
+ buffer = buffer_create(fd, width, height, stride);
+ if (buffer == NULL)
+ return NULL;
+
+ if (buffer_data(buffer, fd, data) < 0) {
+ buffer_destroy(buffer, fd);
+ return NULL;
+ }
+
+ return buffer;
}
struct window {
struct wl_surface *surface;
- int x, y, width, height, stride;
+ int x, y, width, height;
int drag_x, drag_y, last_x, last_y;
int state;
uint32_t name;
int fd;
int redraw_scheduled;
+ cairo_pattern_t *background;
+
+ struct buffer *buffer;
+ struct buffer *egl_buffer;
GLfloat gears_angle;
struct gears *gears;
int border = 2, radius = 5, h;
int margin = (border + 1) / 2;
cairo_text_extents_t extents;
+ struct buffer *buffer;
const static char title[] = "Wayland First Post";
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
- window->width,
- window->height);
+ window->width, window->height);
cr = cairo_create(surface);
cairo_set_line_width (cr, border);
window->height - margin);
cairo_line_to(cr, margin, window->height - margin);
cairo_close_path(cr);
- cairo_set_source_rgba(cr, 0.2, 0.2, 0.2, 0.9);
+ cairo_set_source(cr, window->background);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_font_size(cr, 14);
cairo_destroy(cr);
- window->stride = cairo_image_surface_get_stride(surface);
+ if (window->buffer != NULL)
+ buffer_destroy(window->buffer, window->fd);
+ buffer = buffer_create_from_cairo_surface(window->fd, surface);
+ window->buffer = buffer;
- window->name = name_cairo_surface(window->fd, surface);
cairo_surface_destroy(surface);
- wl_surface_attach(window->surface, window->name,
- window->width, window->height, window->stride);
+ wl_surface_attach(window->surface, buffer->name,
+ buffer->width, buffer->height, buffer->stride);
- wl_surface_map(window->surface,
- window->x, window->y,
- window->width, window->height);
-
- if (window->egl_surface != EGL_NO_SURFACE)
- eglDestroySurface(window->display, window->egl_surface);
-
- /* FIXME: We need to get the stride right here in a chipset
- * independent way. Maybe do it in name_cairo_surface(). */
- window->egl_surface = eglCreatePixmapForName(window->display,
- window->config, window->name,
- window->width, window->height,
- window->stride, NULL);
+ /* FIXME: Free window->buffer when we receive the ack event. */
- if (surface == NULL)
- die("failed to create surface\n");
-
- if (!eglMakeCurrent(window->display,
- window->egl_surface, window->egl_surface, window->context))
- die("failed to make context current\n");
-
- glViewport(border, window->height - h - margin - 300, 300, 300);
+ buffer = window->egl_buffer;
+ gears_draw(window->gears, window->gears_angle);
+ wl_surface_copy(window->surface, 20, 50,
+ buffer->name, buffer->stride,
+ 0, 0, buffer->width, buffer->height);
- if (window->gears != NULL)
- gears_draw(window->gears, window->gears_angle);
+ wl_surface_map(window->surface,
+ window->x, window->y,
+ buffer->width, buffer->height);
window->redraw_scheduled = 0;
case WINDOW_RESIZING_LOWER_RIGHT:
window->width = window->drag_x + arg1;
window->height = window->drag_y + arg2;
+ if (window->width < 400)
+ window->width = 400;
+ if (window->height < 400)
+ window->height = 400;
if (!window->redraw_scheduled) {
window->redraw_scheduled = 1;
g_idle_add(draw_window, window);
EGLint major, minor, count;
EGLConfig configs[64];
struct window *window;
+ struct buffer *buffer;
+ const GLfloat red = 0.3, green = 0.3, blue = 0.3, alpha = 0.9;
window = malloc(sizeof *window);
if (window == NULL)
return NULL;
+ memset(window, 0, sizeof *window);
window->surface = wl_display_create_surface(display);
window->x = 200;
window->y = 200;
window->height = 500;
window->state = WINDOW_STABLE;
window->fd = fd;
- window->gears = NULL;
+ window->background = cairo_pattern_create_rgba (red, green, blue, alpha);
window->display = eglCreateDisplayNative("/dev/dri/card0", "i965");
if (window->display == NULL)
if (window->context == NULL)
die("failed to create context\n");
- window->egl_surface = EGL_NO_SURFACE;
+ /* FIXME: We need to get the stride right here in a chipset
+ * independent way. Maybe do it in name_cairo_surface(). */
+ buffer = buffer_create(window->fd, 300, 300, (300 * 4 + 15) & ~15);
+ window->egl_buffer = buffer;
+ window->egl_surface = eglCreateSurfaceForName(window->display,
+ window->config, buffer->name,
+ buffer->width, buffer->height,
+ buffer->stride, NULL);
+
+ if (window->egl_surface == NULL)
+ die("failed to create egl surface\n");
- draw_window(window);
+ if (!eglMakeCurrent(window->display,
+ window->egl_surface, window->egl_surface, window->context))
+ die("failed to make context current\n");
- window->gears = gears_create();
+ glViewport(0, 0, 300, 300);
+
+ window->gears = gears_create(red, green, blue, alpha);
window->gears_angle = 0.0;
+ draw_window(window);
+
return window;
}
draw(gpointer data)
{
struct window *window = data;
+ struct buffer *buffer;
gears_draw(window->gears, window->gears_angle);
- wl_surface_damage(window->surface, 0, 0,
- window->width, window->height);
+
+ buffer = window->egl_buffer;
+ wl_surface_copy(window->surface, 20, 50,
+ buffer->name, buffer->stride,
+ 0, 0, buffer->width, buffer->height);
+
window->gears_angle += 1;
return TRUE;